bug #57 Fix support for context initializers (pamil)

This PR was merged into the 2.0 branch.

Discussion
----------

Fixes #56.

Commits
-------

394b9abdfc Fix support for context initializers

features/mink_integration/mink_integration_with_context_initializer.feature

@@ -0,0 +1,78 @@
+Feature: Mink integration with context initializer
+
+    Scenario: Passing Mink instance and parameters through context initializer
+        Given a working Symfony application with SymfonyExtension configured
+        And a Behat configuration containing:
+        """
+        default:
+            extensions:
+                Behat\MinkExtension:
+                    base_url: "http://localhost:8080/"
+                    default_session: symfony
+                    sessions:
+                        symfony:
+                            symfony: ~
+            suites:
+                default:
+                    contexts:
+                        - App\Tests\SomeContext
+        """
+        And a feature file containing:
+        """
+        Feature:
+            Scenario:
+                When I visit the page "/hello-world"
+                Then I should see "Hello world!" on the page
+                And the base url from Mink parameters should be "http://localhost:8080/"
+
+            # Doubling the scenario to account for some weird error connected to Mink's session
+            Scenario:
+                When I visit the page "/hello-world"
+                Then I should see "Hello world!" on the page
+                And the base url from Mink parameters should be "http://localhost:8080/"
+        """
+        And a context file "tests/SomeContext.php" containing:
+        """
+        <?php
+
+        namespace App\Tests;
+
+        use Behat\Mink\Mink;
+        use Behat\MinkExtension\Context\MinkAwareContext;
+
+        final class SomeContext implements MinkAwareContext {
+            private $mink;
+            private $parameters;
+
+            public function setMink(Mink $mink): void
+            {
+                $this->mink = $mink;
+            }
+
+            public function setMinkParameters(array $minkParameters): void
+            {
+                $this->parameters = $minkParameters;
+            }
+
+            /** @When I visit the page :page */
+            public function visitPage(string $page): void
+            {
+                $this->mink->getSession()->visit($page);
+            }
+
+            /** @Then I should see :content on the page */
+            public function shouldSeeContentOnPage(string $content): void
+            {
+                assert(false !== strpos($this->mink->getSession()->getPage()->getContent(), $content));
+            }
+
+            /** @Then the base url from Mink parameters should be :expected */
+            public function baseUrlShouldBe(string $expected): void
+            {
+                assert(isset($this->parameters['base_url']));
+                assert($this->parameters['base_url'] === $expected);
+            }
+        }
+        """
+        When I run Behat
+        Then it should pass

features/mink_integration/mink_integration_with_dependency_injection.feature

@@ -1,4 +1,4 @@
-Feature: Mink integration
+Feature: Mink integration with dependency injection
 
     Background:
         Given a working Symfony application with SymfonyExtension configured

src/ServiceContainer/SymfonyExtension.php

@@ -88,6 +88,7 @@ final class SymfonyExtension implements Extension
 
     public function process(ContainerBuilder $container): void
     {
+        $this->processEnvironmentHandler($container);
     }
 
     private function registerMinkDriver(ExtensionManager $extensionManager): void
@@ -139,10 +140,6 @@ final class SymfonyExtension implements Extension
         ]);
         $definition->addTag(EnvironmentExtension::HANDLER_TAG, ['priority' => 128]);
 
-        foreach ($container->findTaggedServiceIds(ContextExtension::INITIALIZER_TAG) as $serviceId => $tags) {
-            $definition->addMethodCall('registerContextInitializer', [$container->getDefinition($serviceId)]);
-        }
-
         $container->setDefinition('fob_symfony.environment_handler.context_service', $definition);
     }
 
@@ -248,4 +245,13 @@ final class SymfonyExtension implements Extension
 
         return is_string($bootstrap) ? $bootstrap : null;
     }
+
+    private function processEnvironmentHandler(ContainerBuilder $container): void
+    {
+        $definition = $container->findDefinition('fob_symfony.environment_handler.context_service');
+
+        foreach ($container->findTaggedServiceIds(ContextExtension::INITIALIZER_TAG) as $serviceId => $tags) {
+            $definition->addMethodCall('registerContextInitializer', [$container->getDefinition($serviceId)]);
+        }
+    }
 }